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Finding the Fourth Proportional to 270,395.16, 373,143.14 and 149,541.54

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Solution

The fourth proportional to 270,395.16, 373,143.14 and 149,541.54 is: 206,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,395.16 : 373,143.14 = 149,541.54 : x
  2. Step 2: Convert to fraction form
    270,395.16/373,143.14 = 149,541.54/x
  3. Step 3: Cross multiply
    270,395.16x = 373,143.14 × 149,541.54
  4. Step 4: Simplify right side
    270,395.16x = 55,800,397,182.61
  5. Step 5: Solve for x
    x = 55,800,397,182.61/270,395.16
  6. Step 6: Final answer
    x = 206,366.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.